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METHOD AND APPARATUS FOR PRE-CONCENTRATION OF VOLATILE COMPOUNDS OF EXPLOSIVES AND TAGGANTS IN EXPLOSIVES FOR SUBSEQUENT DETECTION BY ION MOBILITY SPECTROMETRY
METHOD AND APPARATUS FOR PRE-CONCENTRATION OF VOLATILE COMPOUNDS OF EXPLOSIVES AND TAGGANTS IN EXPLOSIVES FOR SUBSEQUENT DETECTION BY ION MOBILITY SPECTROMETRY
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机译：离子迁移谱法进行后续检测的炸药中挥发物和标签剂的预浓缩方法和装置
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摘要
An interface that couples SPME to IMS has been constructed and evaluated for the detection of the following detection taggants: 2-nitrotoluene (2-NT), 4-nitrotoluene (4-NT), and 2,3-dimethyl-2,3-dinitrobutane (DMNB). The interface was also evaluated for the following common explosives: smokeless powder (nitrocellulose, NC), 2,4-dinitrotoluene (2,4-DNT), 2,6-dinotrotoluene (2,6-DNT), 2,4,6-trinitrotoluene (2,4,6-TNT), hexahydro-l,3,54rinitro-s-triazine (RDX), and pentaerythritol tetranitrate (PETN). The resultant SPME-IMS interface was found to extract volatile constituent chemicals and detection taggants in explosives from a headspace for subsequent detection in a simple, rapid, sensitive, and inexpensive manner.
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